Every car needs a battery to help it start and power its electronics. Here's how many volts this all-important component actually generates.

While electric vehicles are stealing the headlines these days, many drivers don't realize how important electrical systems ...

Join Austin as he takes you through a step-by-step guide to diagnosing and fixing an electrical problem in his drift car.

When you leave your car parked for a while, it enters "sleep" mode, but it isn't fully off. Certain systems, like alarms, keyless entry receivers, and onboard computers remain active. Modern vehicles, ...

Believe it or not, not all USB ports yield the same amount of power, but here's a $10 gadget that can show you which ones you ...

Key fob batteries always seem to die at the worst times. Learn a simple way to test a coin cell, plus which results you'll need to look for.

Reliability issues with the ICCU in some electric Hyundai, Genesis, and Kia models is one reason that Tesla outscores the models in CR's ratings.

Psychology Today's online self-tests are intended for informational purposes only and are not diagnostic tools. Psychology Today does not capture or store personally identifiable information, and your ...

Lipoprotein (a) is a low-density lipoprotein that transports cholesterol in the blood. The lipoprotein (a) test — or Lp(a) test — determines the level of this lipoprotein in the blood, and its results ...

Genetic testing involves the detection of specific alleles, mutations, genotypes or karyotypes that are associated with heritable traits, diseases or predispositions to disease for the individual or ...

Sonos has unveiled its first new product of 2026, the Amp Multi. This amplifier is a niche option for the owners of very large or complicated spaces, and it's being billed as professional grade option ...

Psychology Today's online self-tests are intended for informational purposes only and are not diagnostic tools. Psychology Today does not capture or store personally identifiable information, and your ...